Это плохая практика, чтобы убить скрипт внутри функции?

Я имею в виду использование функции die () для чего-то другого, кроме отладки.
Это ситуация «хорошо работает», но разве это плохая практика?

use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Filesystem\Exception\IOExceptionInterface;

/**
* This Command will help Cjw create a new demo site to start off
* with the Multisite bundle.
*
* Class CreateSiteCommand
* @package Cjw\GeneratorBundle\Command
*/
class RemoveSiteCommand extends ContainerAwareCommand
{
private $vendor; //eg "Cjw"private $fullBundleName; //eg "SiteCjwNetworkBundle"private $fullBundleNameWithVendor; //eg "CjwSiteCjwNetworkBundle"(more vars)

/**
* this function is used to configure the Symfony2 console commands
*/
protected function configure()
{
$this
->setName('cjw:delete-site')
->setDescription('Delete Cjw Site')
->addOption('db_user', null, InputOption::VALUE_REQUIRED, 'If set, the database user will be shown on the instructions');
}

/**
* This function executes the code after the command input has been validated.
*
* @param InputInterface $input gets the user input
* @param OutputInterface $output shows a message on the command line
* @return int|null|void
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
// set optional db_username

$dialog = $this->getHelper('dialog');
$reusable = new \Reusable();
$fs = new Filesystem();
$cmd = new \ColorOutput();

//push only vendors into the vendors array
$vendors = $reusable->getFileList($reusable->getMainDirectory('src'),true);//select a vendor from the array
$vendor = $dialog->select(
$output,
'Select your vendor [1]: ',
$vendors,
1
);

$bundles_in_vendor = $reusable->getFileList($reusable->getMainDirectory('src/'.$vendors[$vendor]),true);

//push bundles that start with 'Site' into array
$sites = array();

foreach($bundles_in_vendor as $bundle)
{
if($reusable->startsWith($bundle,'Site'))
{
array_push($sites,$bundle);
}
}

$site_to_delete = $dialog->select(
$output,
'Select site to remove: ',
$sites,
1
);

$bundle_deletion_path = $reusable->getMainDirectory('src/'.$vendors[$vendor]).'/'.$sites[$site_to_delete];

$are_you_sure = array('yes','no');
$confirmation = $dialog->select(
$output,
'Are you sure you want to delete: '.$sites[$site_to_delete],
$are_you_sure,
1
);

if($are_you_sure[$confirmation] == 'yes')
{
echo $cmd->color('yellow','attempting to remove bundle in: '.$bundle_deletion_path);
$fs->remove($bundle_deletion_path);

//returns demo
$sitename = strtolower($sites[$site_to_delete]);
$sitename = substr($sitename,0,-6);
$sitename = substr($sitename,4);
$this->setRawSiteNameInput($sitename);

// returns acmedemo
$symlinkname =  strtolower($vendors[$vendor].substr($sites[$site_to_delete],0,-6));
$this->removeSymlinks($symlinkname,$this->getRawSiteNameInput());

$this->createSetters($vendor,substr($sites[$site_to_delete],0,-6));

$this->deleteEzPublishExtension();
echo $this->getFullLegacyPath();

echo $cmd->color('green','deletion process completed.');
}
else
{
echo "deletion canceled";
die();
}

function_that_further_deletion_process();
}

Это консольный скрипт symfony2, который удаляет сайт из определенной структуры